Update .readthedocs.yaml

Author: RezaNajian

.readthedocs.yaml

@@ -3,7 +3,9 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.11"
+    python: "3.12"
+  apt_packages:
+    - libglu1-mesa
 
 sphinx:
   configuration: docs/conf.py
@@ -14,3 +16,4 @@ python:
       path: .
       extra_requirements:
         - docs
+        - cpu